Meaning of “badge” - Learner’s Dictionary

badge

noun [ C ] uk us /bædʒ/
NAME

B2 a piece of plastic, metal, etc that you wear on your clothes showing your name or the organization you work for

DECORATION UK (US button)

B2 a piece of plastic, metal, etc with words or pictures on it that you wear on your clothes for decoration

(Definition of “badge” from the Cambridge Learner’s Dictionary © Cambridge University Press)